Published: 23 Jul 2019 › Updated: 23 Jul 2019
#Air Pollution
###Air pollution means the ways in which the air is polluted.Air is the most important element of human environment.
Man can't live a single moment without air.But we don't think that it is we who pollute this vital element. Clean air is essential for life.air is polluted in many ways. For pitch for road construction and burns wood.All these things produce heavy smoke and this smoke pollutes air.
###the another example is that railway engine, power house, mills and factories use coal and oil
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